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Features
100% brand new・ high quality
Suitable for home・ office indoor use・ not for balcony where has insolation or rain
Compact・ wireless・ easy to install
Low power consumption・ lasting one year. Free to change batteries frequently
Powered by 2 pieces of AAA alkaline batteries. (Batteries are not included in the pack.)
Low power remind with LED indicator
Super loud alarm of 105dB・ scare thief away
Magnetic sensor・ door and window motion detector
Keep the distance between device and magnetic shorter than 10mm・ and arrow aims to each other
Make sure one install in door/window・ another one install in door/window frame・ that to let them separate when the door/window is opening
Indoor Remote control range:more than 20 meter
Remote control ・receiver continous standby over one year
General Specs 
TypeDoor Alarm
Working Temperature-10 ~ 60<C
Working Humidity< 80%
Transmitter Volume Control25-75dB
Size85 ~ 43 ~ 14 mm
Package Details Weight: g
Size: cm